diff --git a/components/engine/docs/installation/ubuntulinux.md b/components/engine/docs/installation/ubuntulinux.md
index 26cf864fbc..b6385b0497 100644
--- a/components/engine/docs/installation/ubuntulinux.md
+++ b/components/engine/docs/installation/ubuntulinux.md
@@ -84,7 +84,7 @@ packages from the new repository:
 
 9. Purge the old repo if it exists.
 
-        $ apt-get purge lxc-docker*
+        $ apt-get purge lxc-docker
 
 10. Verify that `apt` is pulling from the right repository.